# IdSpan.AsSpan

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.idspan/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.idspan/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/IDs/IdSpan.cs#L91)

```csharp
public ReadOnlySpan<byte> AsSpan()
```

Returns a span representation of this instance.

### Returns

A span representation of this instance.